.App {
  text-align: center;
  width: 95%;
  max-width: 500px;
  margin: 20px auto 0;
  max-width: 500px;
  padding: 20px;
  border: 1px solid #999;
}
.user,
.content{
  display: inline-block;
  margin-top: 15px;
  margin-bottom: 15px;
}
.user{
  text-align: left;
  width: 30%;
  color: #ff4466;
}
.content{
  width: 68%;
  text-align: left;
  position: relative;
}
.content:hover .delete{
  display: block;
  cursor: pointer;
}
.delete{
  position: absolute;
  top: 0;
  right: 0;
  display: none;
  color: #ea4335;
}
button{
  margin-top: 10px;
}

.commentList{
  border: 1px solid #ddd;
  padding: 10px;
  margin-top: 20px;
}